The International Astronomical Union (IAU) was founded in 1919. Its mission is to promote and safeguard the science of astronomy in all its aspects through international cooperation. Its individual members–structured into Divisions, Commissions, and Working Groups–are professional astronomers from all over the world, at the Ph.D. level and beyond, who are active in professional research […]

The 2nd International Symposium of Commission 4: Positioning and Applications will take place from 5 to 8 September 2022 at the GFZ Potsdam. The 2nd Commission 4 Symposium brings together scientists, researchers, and professionals dealing with the broad area of positioning and applications. For this purpose, it will facilitate the discussion of research that leverages […]

The meeting will be a suitable hybrid with mainly in-person and some online components, as the circumstances allow. Please visit the official website for ongoing updates.

The 8th International Colloquium on Scientific and Fundamental Aspects of GNSS will be held from 14th to 16th September 2022 in Sofia, Bulgaria. The Colloquium is organised by the European Space Agency (ESA) and University of Sofia St. Kliment Ohridski. Please find more information at the official event portal: https://atpi.eventsair.com/gnss2022 Past Conference Proceedings can be […]

The IAG International Symposium on Reference Frames for Applications in Geosciences (REFAG 2022) is organized by the Aristotle University of Thessaloniki, under the scientific coordination of Commission 1 of the International Association of Geodesy (IAG). The symposium will be held in Thessaloniki, Greece on October 17-20, 2022. REFAG 2022 carries on the tradition of previous […]

The Unified Analysis Workshop (UAW) 2022 will be hold on October 21-23, 2022 in Thessaloniki, Greece together with the REFAG 2022 Symposium. It is co-organized by the IAG’s Global Geodetic Observing System (GGOS) and the International Earth Rotation and Reference Systems Service (IERS) for the purpose of discussing issues that are common to all the […]

Yebes Observatory, the National Geographic Institute of Spain (IGN), with the support of National Centre for Geographic Information (CNIG), and in collaboration with the International Laser Ranging Service (ILRS), will host the 22nd International Workshop on Laser Ranging in Guadalajara, Spain, on November 7-11, 2022. The city of Guadalajara, in Castilla-La Mancha, the region roamed […]

GGOS Days is the annual meeting of GGOS during which the different components of GGOS meet and report on their activities during the past year and their plans for the coming year. Everyone is encouraged to attend! Date and Venue It takes place as a 2 days hybrid meeting in Munich (Germany) at the Bavarian […]

As GGOS reaches its 20th anniversary of service to the IAG and global geodesy community, the current GGOS Strategic Plan from 2014 will be renewed. Please see the current overarching strategic goals of GGOS in the graphic on the right side. This Strategic Plan Workshop will develop upcoming goals based on the community survey, in […]

AGU Fall Meeting 2022 will be held in Chicago and online everywhere 12 - 16 December 2022. More than 25,000 attendees from more than 100 countries will convene to explore how Science Leads the Future. Geodesy for Sustainable Earth Observation GGOS has its own session "Geodesy for Sustainable Earth Observation", please participate: The Global Geodetic […]

The EGU General Assembly 2023 brings together geoscientists from all over the world to one meeting covering all disciplines of the Earth, planetary, and space sciences. The EGU aims to provide a forum where scientists, especially early career researchers, can present their work and discuss their ideas with experts in all fields of geoscience. GGOS […]

The International Union of Geodesy and Geophysics (IUGG) is the international organization dedicated to advancing, promoting, and communicating knowledge of the Earth system, its space environment, and the dynamical processes causing change. The 28th IUGG General Assembly will be held 11-20 July 2023 at the Messe Berlin – City Cube, Berlin, Germany. This is a special […]

The ILRS Technical Workshop is planned to be in Arequipa, Peru (16-20 October 2023).